Watch display case



FIG. 1 is a front elevational view of a watch display case showing my new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is an exploded perspective view showing the case with the cover separated therefrom. 

The ornamental design for a watch display case, as shown and described. 